Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 192, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at Aug 8, 2007, 2:49 PM EDT for Greene County, Pennsylvania. It was in force for 56 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 8, 2007, 2:49 PM EDT (18:49 UTC)
- Expired
- Aug 8, 2007, 3:45 PM EDT
- In force
- 56 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Counties, with a storm outline in the text
County Greene County, PA
The radar
The Pittsburgh radar (KPBZ), 75 km from the middle of the area, began a volume at 18:52 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 6.8 hours before the alert went out and 63 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1832 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 753 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 83 m²/s²
- 0-3 km storm-relative helicity
- 121 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 3.7
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Pittsburgh, PA wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 8, 2:22 PM EDT, 27 minutes earlier.
Area forecast discussion, Aug 8, 2:22 PM EDT, 27 minutes before
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</html>Hazardous weather outlook, Aug 8, 1:29 PM EDT, 1 hour 20 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PITTSBURGH PA 129 PM EDT WED AUG 8 2007 OHZ039>041-048>050-057>059-068-069-PAZ020-021-029>032-WVZ001>004-012- 021-022-091730- TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-HARRISON-JEFFERSON OH- MUSKINGUM-GUERNSEY-BELMONT-NOBLE-MONROE-BEAVER-ALLEGHENY-WASHINGTON- WESTMORELAND-GREENE-FAYETTE-HANCOCK-BROOKE-OHIO-MARSHALL-WETZEL- MARION-MONONGALIA- 129 PM EDT WED AUG 8 2007 ...HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL OHIO...SOUTHWEST PENNSYLVANIA...NORTHERN WEST VIRGINIA AND NORTHERN PANHANDLE OF WEST VIRGINIA. .DAY ONE...THIS AFTERNOON AND TONIGHT PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. HEAT ADVISORY. NATIONAL WEATHER SERVICE SAYS HOT AND HUMID CONDITIONS THIS AFTERNOON AND EARLY EVENING WILL PRODUCE HEAT INDICES OF 100 TO 104. THERE IS ALSO A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EARLY TONIGHT. THE PRIME THREAT IS DAMAGING WIND. THE THUNDERSTORMS CAN ALSO PRODUCE HEAVY RAIN. LOCATIONS GETTING MORE THAN 2 INCHES OF RAIN IN A COUPLE HOURS CAN EXPERIENCE FLOODING ALONG SMALL STREAMS AND WHERE DRAINAGE IS POOR. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR THURSDAY INTO THURSDAY NIGHT. THE PRIMARY SEVERE THREAT WILL BE DAMAGING THUNDERSTORM WINDS. THE THUNDERSTORMS CAN ALSO PRODUCE HEAVY RAIN. LOCATIONS GETTING MORE THAN 2 INCHES OF RAIN IN A COUPLE HOURS CAN EXPERIENCE FLOODING ALONG SMALL STREAMS AND WHERE DRAINAGE IS POOR. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND TONIGHT AND AGAIN THURSDAY AFTERNOON AND THURSDAY NIGHT. MDZ001-PAZ007>009-013>016-022-023-WVZ023-041-091730- GARRETT-MERCER-VENANGO-FOREST-LAWRENCE-BUTLER-CLARION-JEFFERSON PA- ARMSTRONG-INDIANA-PRESTON-TUCKER- 129 PM EDT WED AUG 8 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MARYLAND...NORTHWEST PENNSYLVANIA...WEST CENTRAL PENNSYLVANIA AND NORTHERN WEST VIRGINIA. .DAY ONE...THIS AFTERNOON AND TONIGHT THE NATIONAL WEATHER SERVICE SAYS THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EARLY TONIGHT. THE PRIME THREAT IS DAMAGING WIND. THE THUNDERSTORMS CAN ALSO PRODUCE HEAVY RAIN. LOCATIONS GETTING MORE THAN 2 INCHES OF RAIN IN A COUPLE HOURS CAN EXPERIENCE FLOODING ALONG SMALL STREAMS AND WHERE DRAINAGE IS POOR. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR THURSDAY INTO THURSDAY NIGHT. THE PRIMARY SEVERE THREAT WILL BE DAMAGING THUNDERSTORM WINDS. THE THUNDERSTORMS CAN ALSO PRODUCE HEAVY RAIN. LOCATIONS GETTING MORE THAN 2 INCHES OF RAIN IN A COUPLE HOURS CAN EXPERIENCE FLOODING ALONG SMALL STREAMS AND WHERE DRAINAGE IS POOR. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND TONIGHT AND AGAIN THURSDAY AFTERNOON AND THURSDAY NIGHT.
In the hours before
Special weather statement, Aug 8, 1:11 PM EDT, 1 hour 38 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 111 PM EDT WED AUG 8 2007 PAZ031-032-081830- GREENE-FAYETTE- INCLUDING THE CITIES OF...WAYNESBURG...FAIRDALE...UNIONTOWN... CONNELLSVILLE...OHIOPYLE 111 PM EDT WED AUG 8 2007 THROUGH 230 PM...SCATTERED SHOWERS AND THUNDERSTORMS WILL MOVE SOUTHEAST AT 20 MPH ACROSS NORTHEAST GREENE COUNTY AND FAYETTE COUNTY. THE STRONGEST STORM WILL AFFECT ANTRAM BY 120 PM AND FAIRCHANCE BY 2 PM. THIS STORM IS CAPABLE OF PRODUCING WIND GUSTS TO 45 MPH AND RAINFALL OF OVER ONE INCH.
Local storm report, Aug 8, 2:05 PM EDT, 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
205 PM EDT WED AUG 08 2007
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0203 PM HAIL 1 S SCOTTDALE 40.09N 79.59W
08/08/2007 E0.75 INCH FAYETTE PA TRAINED SPOTTER
SKWARN SPOTTER REPORTED PENNY SIZED HAIL 1 SOUTH
SCOTTDALE.
&&Special weather statement, Aug 8, 2:09 PM EDT, 40 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 209 PM EDT WED AUG 8 2007 MDZ001-OHZ039-048>050-057>059-068-069-PAZ029-031-032-WVZ002>004-022- 023-081915- BELMONT OH-BROOKE WV-COSHOCTON OH-FAYETTE PA-GARRETT MD-GREENE PA-GUERNSEY OH-HARRISON OH-JEFFERSON OH-MARSHALL WV-MONONGALIA WV-MONROE OH-MUSKINGUM OH-NOBLE OH-OHIO WV-PRESTON WV-TUSCARAWAS OH-WASHINGTON PA- 209 PM EDT WED AUG 8 2007 ...THUNDERSTORMS... THUNDERSTORMS TO MOVE THROUGH THE FOLLOWING COUNTIES... GARRETT...MONROE...NOBLE...MUSKINGUM...BELMONT...GUERNSEY... HARRISON...COSHOCTON...JEFFERSON...TUSCARAWAS...FAYETTE... WASHINGTON...GREENE...PRESTON...MONONGALIA...MARSHALL...OHIO AND BROOKE... AT 202 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH INDICATED A SCATTERED LINE OF STRONG THUNDERSTORMS EXTENDING FROM SOUTHERN COSHOCTON COUNTY OHIO TO CENTRAL FAYETTE COUNTY PENNSYLVANIA MOVING SOUTH AT 20 MPH. SOME LOCATIONS THAT WILL BE IMPACTED BY THESE STORMS INCLUDE... BOBTOWN...BROWNSVILLE...BUZZ...CALIFORNIA...CARMICHAELS... CHALKHILL...CLAYSVILLE...CONNELLSVILLE...DUNBAR...ELLIOTTSVILLE... FARMINGTON...GREENSBORO...HOPWOOD...MARIANNA...MARKLEYSBURG... MASONTOWN...MOUNT MORRIS...NEMACOLIN...OHIOPYLE...ROGERSVILLE... RYERSON STATION...SWARTS...WALTERSBURG...WAYNESBURG...ALEPPO... DUNKARD...LIPPINCOTT...MORRISVILLE...MOUNT CARMEL...OAK FOREST... RICES LANDING...ADAMSVILLE...ADENA...ALLEDONIA...BARKCAMP STATE PARK...BARNESVILLE...BENWOOD...BELLAIRE...BETHESDA...BIRMINGHAM... BODEN...BRIDGEPORT...BRIDGEVILLE...BYESVILLE...CAMBRIDGE... CAMERON...CHANDLERSVILLE...CLARINGTON...CLENDENING...CONESVILLE... COOPERDALE...COSHOCTON...CUMBERLAND...DILLONVALE...PHILO...DUNCAN FALLS...FERNCLIFF...FLUSHING...FREEPORT...GILMORE...JUG RUN... KIMBOLTON...LONDONDERRY...MARTINS FERRY...MORRISTOWN...NELLIE...NEW ATHENS...NEW CONCORD...NEWCOMERSTOWN...NORWICH...OLD WASHINGTON... OTSEGO...PIEDMONT...PLAINFIELD...POWHATAN POINT...QUAKER CITY... RAYLAND...SAINT CLAIRSVILLE...SALT FORK STATE PARK...SENECA LAKE PARK...SENECAVILLE...SHADYSIDE...SOMERTON...TILTONSVILLE... TIPPECANOE...WARSAW...WEST LAFAYETTE...YORKVILLE...WINDSOR HEIGHTS...ACCIDENT...BITTINGER...FRIENDSVILLE...MINERAL SPRING... BETHLEHEM...BLACKSVILLE...BRUCETON MILLS...CHEAT NECK... CLEARVIEW...CLIFTON MILLS...DALLAS...DENVER HEIGHTS...GLEN EASTON...GLENDALE...WARWOOD...HAZELTON...LAUREL RUN...LONE OAK... MCMECHEN...MOUNDSVILLE...ROCKLICK...SHERRARD...TRIADELPHIA...VALLEY GROVE...WHEELING...WANA...WEST LIBERTY AND WOODLANDS KEEP AN EYE TO THE SKY AND MOVE TO A SAFE PLACE IF THUNDERSTORMS APPROACH. PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772. FREQUENT...INTENSE LIGHTNING...TORRENTIAL DOWNPOURS WITH HEAVY PONDING OF WATER ON ROADWAYS AND HAIL HAVE BEEN REPORTED WITH THESE STORMS. IF OUTDOORS...STAY AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING TELEPHONES UNLESS IT IS AN EMERGENCY. IF TRAVELING IN A MOTOR VEHICLE...BE PREPARED FOR SUDDEN DROPS IN VISIBILITY IN HEAVY RAINS AND HEAVY PONDING OF WATER ON ROADWAYS.
The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 1:59 AM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 46 min |
| Aug 8, 10:18 AM EDT | Heat Advisory | PBZ | Allegheny, Beaver, Greene, Washington | 10 hr |
| Aug 8, 1:47 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 58 min |
| Aug 8, 2:44 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 61 min |
| Aug 8, 5:53 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 67 min |
| Aug 8, 4:07 PM EDT | Flash Flood Warning | PBZ | Coshocton | 3 hr |
| Aug 8, 4:40 PM EDT | Flash Flood Warning | PBZ | Tuscarawas | 4 hr |
| Aug 8, 3:19 PM EDT | Severe Thunderstorm Warning | PBZ | Preston | 56 min |
| Aug 8, 3:22 PM EDT | Severe Thunderstorm Warning | PBZ | Marshall | 53 min |
| Aug 8, 4:08 PM EDT | Severe Thunderstorm Warning | PBZ | Wetzel | 67 min |
| Aug 8, 5:50 PM EDT | Severe Thunderstorm Warning | PBZ | Preston | 55 min |
| Aug 8, 6:20 PM EDT | Severe Thunderstorm Warning | PBZ | Tucker | 55 min |
| Aug 8, 6:33 PM EDT | Flash Flood Warning | PBZ | Tucker | 4 hr |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2007Every severe thunderstorm warning in 2007
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.